ArcEngine+C#统计图表柱状图，饼状图

ArcEngine基于C#的开发，这次的是统计图表，包括柱状图和饼状图，统计的是某个图层中某个字段的唯一值对比，代码比较简单，参考使用

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Display;

namespace Statistics
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        #region 打开文件
        /// 

        /// 打开文件
        /// 

        /// 
        /// 
        private void OpenMenu_Click（object sender EventArgs e）
        {
            try
            {
                OpenFileDialog pOpenFileDialog = new OpenFileDialog（）;
                pOpenFileDialog.CheckFileExists = true;
                pOpenFileDialog.title = “打开地图文档“;
                pOpenFileDialog.Filter = “ArcMap文档（*.mxd）|*.mxd;|ArcMap模板（*.mxt）|*.mxt|发布地图文件（*.pmf）|*.pmf|所有地图格式（*.mxd;*.mxt;*.pmf）|*.mxd;*.mxt;*.pmf“;
                pOpenFileDialog.Multiselect = false;
                //存储打开文件的路径
                pOpenFileDialog.RestoreDirectory = true;
                if （pOpenFileDialog.ShowDialog（） == DialogResult.OK）
                {
                    string pFileName = pOpenFileDialog.FileName;
                    if （pFileName == ““）
                    { return; }
                    //检查地图文档有效性
                    if （axMapControl1.CheckMxFile（pFileName））
                    {
                        //新建Map
                        IMap pMap = new MapClass（）;
                        pMap.Name = “Map“;
                        axMapControl1.DocumentFilename = string.Empty;
                        axMapControl1.Map = pMap;
                        axMapControl1.LoadMxFile（pFileName）;
                    }
                    else
                    {
                        MessageBox.Show（pFileName + “是无效的地图文档！“ “信息提示“）;
                        return;
                    }
                }            
            }
            catch（Exception ex）
            {
                MessageBox.Show（“打开地图文档失败！“ + ex.Message）;
            }
        }

        #endregion


        #region 变量
        private IFeaturelayer pCurrentLyr = null;
        private IActiveView pActiveView = null;
        private Listayer> pLstlayers = null;
        #endregion

        private void HistogramChartMenu_Click（object sender EventArgs e）
        {
            HistogramChart hc = new HistogramChart（）;
            hc.CurrentMap = axMapControl1.Map;
            hc.Show（）;

            
                
        }

        private void comboBox1_SelectedIndexChanged（object sender EventArgs e）
        {
            
        }

        private void comboBox1_Click（object sender EventArgs e）
        {
            
        }


    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-09-14 11:06  ArcEngine统计图表\
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\
     文件        8472  2017-09-07 08:58  ArcEngine统计图表\Statistics\Form1.Designer.cs
     文件        3125  2017-09-07 09:11  ArcEngine统计图表\Statistics\Form1.cs
     文件       12175  2017-09-07 08:58  ArcEngine统计图表\Statistics\Form1.resx
     文件        9587  2017-09-08 16:38  ArcEngine统计图表\Statistics\HistogramChart.Designer.cs
     文件       14614  2017-09-08 16:38  ArcEngine统计图表\Statistics\HistogramChart.cs
     文件        5817  2017-09-08 16:38  ArcEngine统计图表\Statistics\HistogramChart.resx
     文件        4635  2017-09-08 10:27  ArcEngine统计图表\Statistics\MapManager.cs
     文件         578  2017-09-06 09:00  ArcEngine统计图表\Statistics\Program.cs
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\Properties\
     文件        1352  2017-09-06 08:47  ArcEngine统计图表\Statistics\Properties\AssemblyInfo.cs
     文件        2872  2017-09-06 08:47  ArcEngine统计图表\Statistics\Properties\Resources.Designer.cs
     文件        5612  2017-09-06 08:47  ArcEngine统计图表\Statistics\Properties\Resources.resx
     文件        1097  2017-09-06 08:47  ArcEngine统计图表\Statistics\Properties\Settings.Designer.cs
     文件         249  2017-09-06 08:47  ArcEngine统计图表\Statistics\Properties\Settings.settings
     文件        6453  2017-09-07 11:23  ArcEngine统计图表\Statistics\Statistics.csproj
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\bin\
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\bin\Debug\
     文件       26112  2017-09-08 16:30  ArcEngine统计图表\Statistics\bin\Debug\Statistics.exe
     文件       46592  2017-09-08 16:30  ArcEngine统计图表\Statistics\bin\Debug\Statistics.pdb
     文件       11600  2017-09-14 11:06  ArcEngine统计图表\Statistics\bin\Debug\Statistics.vshost.exe
     文件         490  2010-03-17 22:39  ArcEngine统计图表\Statistics\bin\Debug\Statistics.vshost.exe.manifest
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\obj\
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\obj\x86\
     目录           0  2017-09-14 11:06  ArcEngine统计图表\Statistics\obj\x86\Debug\
     文件      128121  2017-09-08 08:52  ArcEngine统计图表\Statistics\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7470  2017-09-08 16:30  ArcEngine统计图表\Statistics\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        4277  2017-09-07 11:23  ArcEngine统计图表\Statistics\obj\x86\Debug\Statistics.Form1.resources
     文件         180  2017-09-08 16:30  ArcEngine统计图表\Statistics\obj\x86\Debug\Statistics.HistogramChart.resources
     文件         180  2017-09-07 11:23  ArcEngine统计图表\Statistics\obj\x86\Debug\Statistics.Properties.Resources.resources
............此处省略8个文件信息